CA2438194A1 - Live navigation web-conferencing system and method - Google Patents

Live navigation web-conferencing system and method Download PDF

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Publication number
CA2438194A1
CA2438194A1 CA002438194A CA2438194A CA2438194A1 CA 2438194 A1 CA2438194 A1 CA 2438194A1 CA 002438194 A CA002438194 A CA 002438194A CA 2438194 A CA2438194 A CA 2438194A CA 2438194 A1 CA2438194 A1 CA 2438194A1
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Prior art keywords
computer
speaker
executable instruction
instruction code
data stream
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Granted
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CA002438194A
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French (fr)
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CA2438194C (en
Inventor
Clifford Reid
Murray Low
Charles R. Anderson
Neal Rutta
Kenneth R. Grant
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • H04L65/4046—Arrangements for multi-party communication, e.g. for conferences with distributed floor control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1827—Network arrangements for conference optimisation or adaptation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1831—Tracking arrangements for later retrieval, e.g. recording contents, participants activities or behavior, network status
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Information Transfer Between Computers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)

Abstract

A system for delivery of content over a wide area network (17), the content being captured by the system over a time period of a live event, the system comprising a first computer (12) connected to a first side of the wide area network, the first computer having a cache (12-1) for storing at least one data stream and the first computer having access to executable instruction for: identifying a live portion of the data stream; receiving requests from a second computer on a second side of the wide area network, live or non-live portions of the data stream from the first computer to the second computer.

Claims (24)

1. A system for delivery of content over a wide area network to a plurality of client computers, the content being captured by the system over a time period of a live event, the system comprising:
executable instruction code in an electronically readable medium to be accessible to a first computer, the first computer having a cache for storing at least one data stream, the executable instruction code in an electronically readable medium being for at least:
identifying a live portion of the at least one data stream, the live portion being that portion of the at least one data stream at the first computer containing content captured more recently by the system than content contained in any other portion of the at least one data stream at the first computer currently available for sending from the first computer to the plurality of client computers;
for an each respective one of the plurality of client computers, identifying a user position portion of the at least one data stream, the user position portion of the at least one data stream being that portion most recently sent from the first computer to the respective one of the plurality of client computers;
receiving a first request at the first computer from a first any one of the plurality of client computers;

in response to the first request, sending the live portion of the at least one data stream from the first computer to the first any one of the plurality of client computers;
receiving a second request at the first computer from the first any one of the plurality of client computers; and in response to the second request, sending a portion of the at least one data stream from the first computer to the first any one of the plurality of client computers containing content captured less recently by the system than content contained in the live portion of the at least one data stream;
wherein the first request and the second request may be sent from the first any one of the plurality of client computers to the first computer and responded to by the first computer in alternating fashion during a time period that includes at least a portion of the time period of the live event as extended by a latency period of the wide area network.
2. The system of claim 1 wherein the executable instruction code in an electronically readable medium is also for at least:
receiving a third request at the first computer from the first any one of the plurality of client computers;
in response to the third request, sending the at least one data stream from the first computer to the first any one of the plurality of client computers beginning with a portion of the at least one data stream containing content captured less recently than the content contained in the live portion, and continuing with succeeding portions of the at least one data stream, each succeeding portion in sequence containing content more recently captured by the system; and in response to the third request sending the at least one data stream from the first computer to the first any one of the plurality of client computers at a content rate such that, after a period of time, the user position portion of the at least one data stream is the live portion, unless a request other than the third request is received at the first computer from the second computer after receipt of the third request at the first computer and before the user position portion is the live portion;
wherein the third request may be sent by the first any one of the plurality of client computers to the first computer and responded to by the first computer during a time period that includes at least a portion of the time period of the live event as extended by a latency period of the wide area network.
3. The system of claim 2 wherein:
the at least one data stream includes a first data stream and a second data stream, the first and second data streams containing substantially the same content, the first data stream being a first sequence of audio samples and the second data stream being a second sequence of audio samples created at the first computer from the first sequence of audio samples, the content rate of the second sequence of audio samples when delivered at a first data rate being greater than the content rate of the first sequence of audio samples when delivered at the first data rate;

the at least one data stream sent in response to the first request includes the first data stream;
the at least one data stream sent in response to the third request includes the second data stream; and the executable instruction code in an electronically readable medium is also for at least creating the second data stream from the first data stream.
4. The system of claim 1 or 2 wherein the at least one data stream includes a first sequence of video frames.
5. The system of claim 1 or 2 wherein the at least one data stream includes a first sequence of commands for directing the second computer to retrieve and present a sequence of slides.
6. A method of streaming a first data stream in a plurality of streaming modes supported at a first computer connected to a first side of a wide area network from the first computer to a second computer connected to a second side of the wide area network, the second computer having a media player program for presenting content of the data stream to a user at the second computer, a first mode of the media player program not changing in response to a change from a first of the plurality of streaming modes to a second of the plurality of streaming modes, the method comprising:

sending executable instruction code in a carrier signal from the first computer to the second computer for invoking the first mode of the media player program and for presenting an on-screen interface allowing a user at the second computer to request in successive fashion at least the first and the second of the plurality of streaming modes supported at the first computer;
in response to a request received at the first computer from a user at the second computer to change from the first of the plurality of streaming modes to the second of the plurality of streaming modes, associating time stamp values with data units of the first data stream such that the media player program at the second computer will present content of the first data stream in a manner providing the user at the second computer an experience of a mode change while the media player program remains in the first mode of the media player program.
7. The method of claim 6 wherein the first mode of the media player is a mode for playing in sequence data units having successively increasing time stamp values, the first mode of the plurality of streaming modes is a live mode, the second mode of the plurality of streaming modes is a non-live mode having a first identifiable difference between an originally applied time stamp of a data unit to be next delivered from the first computer to the second computer and a time stamp corresponding to real time wherein the time stamp values of data units to be next delivered are changed from the originally applied time stamp to the time stamp corresponding to real time such that the second computer continues to receive data units that have successively increasing time stamp values when a mode change from the first of the plurality of streaming modes to the second of the plurality of streaming modes occurs.
8. The method of claim 6 wherein the first mode of the media player program is a mode for playing content at a first content rate, the first mode of the plurality of streaming modes is a mode for playing content at the first content rate, and the second mode of the plurality of streaming modes is a mode for playing content at a second content rate, the second content rate being faster than the first content rate, and wherein when streaming in the second of the plurality of modes, time stamps of data units sent to the second computer are adjusted such that a time value difference between the time stamps of a first data unit and a second data unit is less than the time value difference between the original time stamps applied to the first data unit and the second data unit so that the media player program, while remaining in a mode for playing content at the first content rate, plays content at the second content rate.
9. In a conferencing system in which a plurality of computers are connected to a network, the system allowing a speaker to request at least in successive fashion display of a sequence of presentation slides on a speaker monitor connected to a speaker computer connected to the network and on a plurality of participant monitors each one of the plurality of participant monitors connected to a participant computer connected to the network, the participant computers having an interface for entering text of questions/comments and for transmitting the questions/comments across the network, a method for handling the questions/comments comprising:
providing a Q/A slide that may be interposed into the sequence of presentation slides such that the speaker requests display of the Q/A slide on the speaker monitor at a time in a presentation given by the speaker at which the speaker would like to view and respond to at least one of the questions/comments;
providing executable instruction code in a computer readable medium for at least receiving the text of the at least one of the questions/comments at the speaker computer for merged display on the speaker monitor of the Q/A slide and the text of the at least one of the questions/comments when the speaker requests display of the Q/A slide.
10. The method of claim 9 further comprising providing executable instruction code also for at least:
selectively designating the Q/A slide public;
sending the Q/A slide to each of the participant computers;
only if the Q/A slide is designated public, sending the text of the at least one of the questions/comments to each of the participant computers for merged display on each of the respective participant monitors of the Q/A slide and the text of the at least one of the questions/comments when the speaker requests display of the Q/A slide.
11. The method of claim 9 further comprising providing executable instruction code also for at least:

prior to sending the text of the at least one of the questions/comments to the speaker computer, sending the text of the at least one of the questions/comments to a moderator computer, the moderator computer having an interface for a moderator at the moderator computer to view the at least one of the questions/comments and for the moderator to selectively indicate that the at least one of the questions/comments is to be sent to the speaker computer;
sending the at least one of the questions/comments to the speaker computer only if the moderator has indicated that the at least one of the questions/comments is to be sent to the speaker computer.
12. The method of claim 9 further comprising:
presenting an interface for the moderator to enter annotation text and selectively associate the annotation text with the at least one of the questions/comments;
sending the annotation text along with the at least one of the questions/comments to the speaker computer and displaying the annotation text on the speaker monitor so that the speaker may determine with which of the questions/comments the annotation text is associated.
13. A system for the delivery of content over a wide area network, the content being captured by the system over time, the system comprising:
means for receiving mode requests;
means for streaming at least one data stream in response to mode requests.
14. A system for web-conferencing comprising:
means for handling participant questions/comments.
15. A system for handling phoned-in questions/comments from participants in a web conference, the system comprising:
first executable instruction code in an electronically readable medium to be accessible to a voice server computer, the voice server computer being connected to a telephone network for receiving voice data of a participant phone call and having a cache for storing the voice data, the first executable instruction code being for at least converting the voice data of the participant phone call into an audio clip for transmission to other computers and sending the audio clip to a moderator computer, the moderator computer having at least one user interface device;
second executable instruction code in an electronically readable medium to be accessible to the moderator computer, the second executable instruction code being for at least presenting to a moderator at the moderator computer an interface for playing the audio clip, entering an annotation, associating the annotation with the audio clip, and selectively sending the audio clip and associated annotation to a speaker computer, the speaker computer having at least one user interface device; and third executable instruction code in an electronically readable medium to be accessible to the speaker computer for at least presenting to a speaker at the speaker computer an interface for selectively playing the audio clip and providing the content of the audio clip to an audio data stream and for sending the audio data stream to at least one other computer.
16. A conferencing system in which content is delivered over a wide area network to a plurality of participant computers, the content being captured by the system over a time period of a live event, the system comprising:
first executable instruction code in an electronically readable medium to be accessible to a stream server computer, the stream server computer having a cache for storing at least one data stream containing content captured by the system, the first executable instruction code in an electronically readable medium being for at least, in response to a request by any respective one of the plurality of participant computers, streaming the at least one data stream to the any respective one of the plurality of participant computers in any one of a plurality of streaming modes, the plurality of streaming modes including at least a live mode and a non-live mode; and second executable instruction code in an electronically readable medium to be accessible to a speaker computer, the second executable instruction code being for at least sending a data stream containing content captured at the speaker computer from the speaker computer to the stream server computer.
17. The system of claim 16 further comprising:
third executable instruction code in an electronically readable medium to be accessible to a voice server computer, the voice server computer being connected to a telephone network for receiving voice data of a participant phone call and having a cache for storing the voice data, the fourth executable instruction code being for at least converting the voice data of the participant phone call into an audio clip for transmission to other computers and sending the audio clip to a moderator computer, the moderator computer having at least one user interface device; and fourth executable instruction code in an electronically readable medium to be accessible to the moderator computer, the fourth executable instruction code being for at least presenting to a moderator at the moderator computer an interface for playing the audio clip, entering an annotation, associating the annotation with the audio clip, and selectively sending the audio clip and associated annotation to the speaker computer;
wherein the speaker computer has at least one user interface device and the second executable instruction code is also for at least presenting to a speaker at the speaker computer an interface for viewing the annotation, selectively playing the audio clip and providing the content of the audio clip to an audio stream to be sent to the stream server computer.
18. The system of claim 16 further comprising:
third executable instruction code in an electronically readable medium to be accessible to a slide sewer computer connected to the speaker computer, the slide server computer having a cache for storing a plurality of slides, the third executable instruction code being for at least sending a one of the plurality of slides to a one of the plurality of participant computers in response to a request transmitted from the one of the plurality of participant computers, wherein the request may be triggered by a slide flip command originated at the speaker computer, the slide flip command referring to the one of a plurality of slides;
fourth executable instruction code in an electronically readable medium to be accessible to a moderator computer, the moderator computer having at least one user interface device, the fourth executable instruction code being for at least receiving question/comment text data originally sent from the participant computer and presenting to a moderator at the moderator computer an interface fox. reviewing and selectively indicating question/comment text data to be transmitted to the speaker computer.
19. The system of claim 18 wherein the plurality of slides includes at least one Q/A slide, the fourth executable instruction code being also for at least sending the selectively indicated question/comment text data to the speaker computer in response to a slide flip command originated at the speaker computer referring to the Q/A slide and wherein the second executable instruction code is also for at least displaying on a speaker monitor connected to the speaker computer the question/comment text data sent from the moderator computer.
20. The system of claim 16 wherein the plurality of streaming modes includes a catch-up mode.
21. The system of claim 20 wherein the at least one data stream includes at least one audio stream and the first executable instruction code is also for at least streaming the at least one audio stream in the catch-up mode.
22. A conferencing system in which content is delivered over a wide area network to a plurality of participant computers, the content being captured by the system over a time period of a live event, the system comprising:
first executable instruction code in an electronically readable medium to be accessible to a stream server computer, the stream server computer having a cache for storing at least one data stream containing content captured by the system, the first executable instruction code in an electronically readable medium being for at least, in response to a request by any respective one of the plurality of participant computers, streaming the at least one data stream to the any respective one of the plurality of participant computers in any one of a plurality of streaming modes, the plurality of streaming modes including at least a live mode and a non-live mode;
second executable instruction code in an electronically readable medium to be accessible to a speaker computer, the speaker computer having at least one user interface device, the second executable instruction code being for at least sending a data stream containing content captured at the speaker computer from the speaker computer to the stream server computer;
third executable instruction code in an electronically readable medium to be accessible to a voice server computer, the voice server computer being connected to a telephone network for receiving voice data of a participant phone call and having a cache for storing the voice data, the third executable instruction code being for at least converting the voice data of the participant phone call into an audio clip for transmission to other computers and sending the audio clip to a moderator computer, the moderator computer having at least one user interface device;
fourth executable instruction code in an electronically readable medium to be accessible to the moderator computer, the fourth executable instruction code being for at least presenting to a moderator at the moderator computer an interface for playing the audio clip, entering an annotation, associating the annotation with the audio clip, and selectively sending the audio clip and associated annotation to the speaker computer, wherein the second executable instruction code is also for at least presenting to a speaker at the speaker computer an interface for viewing the annotation, selectively playing the audio clip and providing the content of the audio clip to an audio stream to be sent to the stream server computer; and fifth executable instruction code in an electronically readable medium to be accessible to a slide server computer, the slide server computer having a cache for storing a plurality of slides, the fifth executable instruction code being for at least sending a one of the plurality of slides to a one of the plurality of participant computers in response to a request transmitted from the one of the plurality of participant computers, wherein the request may be triggered by a slide flip command originated at the speaker computer, the slide flip command referring to the one of a plurality of slides;

wherein the fourth executable instruction code is also for at least receiving question/comment text data originally sent from a one of the plurality of participant computers and presenting to a moderator at the moderator computer an interface for reviewing and selectively indicating question/comment text data to be transmitted to the speaker computer;
and wherein the plurality of slides includes at least one Q/A slide, the fourth executable instruction code being also for at least sending selectively indicated question/comment text data to the speaker computer in response to a slide flip command originated at the speaker computer referring to the Q/A
slide and wherein the second executable instruction code is also for at least displaying on a speaker monitor connected to the speaker computer the text data containing the question or comment sent from the moderator computer.
23. The system of claim 22 wherein the plurality of streaming modes includes a catch-up mode.
24. The system of claim 23 wherein the at least one data stream includes at least one audio stream and the first executable instruction code is also for at least streaming the at least one audio stream in the catch-up mode.
CA2438194A 2001-02-12 2002-02-12 Live navigation web-conferencing system and method Expired - Lifetime CA2438194C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/782,172 2001-02-12
US09/782,172 US7085842B2 (en) 2001-02-12 2001-02-12 Line navigation conferencing system
PCT/US2002/004138 WO2002065245A2 (en) 2001-02-12 2002-02-12 Live navigation web-conferencing system and method

Publications (2)

Publication Number Publication Date
CA2438194A1 true CA2438194A1 (en) 2002-08-22
CA2438194C CA2438194C (en) 2012-09-18

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US (1) US7085842B2 (en)
EP (2) EP2362576A1 (en)
AU (1) AU2002243973A1 (en)
CA (1) CA2438194C (en)
WO (1) WO2002065245A2 (en)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7111009B1 (en) 1997-03-14 2006-09-19 Microsoft Corporation Interactive playlist generation using annotations
US7330875B1 (en) * 1999-06-15 2008-02-12 Microsoft Corporation System and method for recording a presentation for on-demand viewing over a computer network
US7328239B1 (en) 2000-03-01 2008-02-05 Intercall, Inc. Method and apparatus for automatically data streaming a multiparty conference session
US8595372B2 (en) 2000-09-12 2013-11-26 Wag Acquisition, Llc Streaming media buffering system
US6766376B2 (en) 2000-09-12 2004-07-20 Sn Acquisition, L.L.C Streaming media buffering system
US7716358B2 (en) 2000-09-12 2010-05-11 Wag Acquisition, Llc Streaming media buffering system
US20020126201A1 (en) * 2001-03-08 2002-09-12 Star-Bak Communication Inc. Systems and methods for connecting video conferencing to a distributed network
US6990512B1 (en) * 2001-03-19 2006-01-24 Novell, Inc. Method and system for using live time shift technology to control a multimedia file
US7124166B2 (en) * 2001-04-30 2006-10-17 Aol Llc Duplicating digital streams for digital conferencing using switching technologies
US7266609B2 (en) * 2001-04-30 2007-09-04 Aol Llc Generating multiple data streams from a single data source
WO2003105006A1 (en) * 2001-04-30 2003-12-18 America Online, Inc. Load balancing with direct terminal response
US8572278B2 (en) 2001-04-30 2013-10-29 Facebook, Inc. Generating multiple data streams from a single data source
US7237033B2 (en) 2001-04-30 2007-06-26 Aol Llc Duplicating switch for streaming data units to a terminal
US7343082B2 (en) * 2001-09-12 2008-03-11 Ryshco Media Inc. Universal guide track
US8028092B2 (en) 2002-06-28 2011-09-27 Aol Inc. Inserting advertising content
US7441030B1 (en) * 2003-02-28 2008-10-21 Osisoft, Inc. Delivery of continuous real-time performance data over the internet
US20040207724A1 (en) * 2003-04-17 2004-10-21 Siemens Information And Communication Networks, Inc. System and method for real time playback of conferencing streams
US20050021620A1 (en) * 2003-05-30 2005-01-27 Todd Simon Web data conferencing system and method with full motion interactive video
US20040255232A1 (en) * 2003-06-11 2004-12-16 Northwestern University Networked presentation system
KR100982511B1 (en) * 2003-10-08 2010-09-16 삼성전자주식회사 Apparatus and method for remote controlling
US7590941B2 (en) * 2003-10-09 2009-09-15 Hewlett-Packard Development Company, L.P. Communication and collaboration system using rich media environments
US20050132265A1 (en) * 2003-11-14 2005-06-16 Gregory Pulier Computer-implemented methods and systems for control of video event and phone event
US20050144258A1 (en) * 2003-12-15 2005-06-30 Burckart Erik J. Method and system for facilitating associating content with a portion of a presentation to which the content relates
US7667729B2 (en) 2004-03-25 2010-02-23 Nec Corporation Multi-point conference system and multi-point conference device
US7856469B2 (en) * 2004-04-15 2010-12-21 International Business Machines Corporation Searchable instant messaging chat repositories using topic and identifier metadata
US7587452B2 (en) * 2004-04-23 2009-09-08 At&T Intellectual Property I, L. P. Methods, systems, and products for network conferencing
US7587037B2 (en) * 2004-05-26 2009-09-08 At&T Intellectual Property I, L.P. Network conferencing using method for distributed computing and/or distributed objects for presentation to a mobile communications device
US7694228B2 (en) * 2004-05-26 2010-04-06 At&T Intellectual Property I, L.P. Methods, systems, and products for network conferencing
US7403969B2 (en) * 2004-05-26 2008-07-22 At&T Delaware Intellectual Property, Inc. Network conferencing using method for distributed computing and/or distributed objects to intermediate host for presentation to a communications device
US20050278424A1 (en) * 2004-05-26 2005-12-15 Wesley White Network conferencing using method for concurrent real time broadcast and distributed computing and/or distributed objects
US7596596B2 (en) * 2004-06-24 2009-09-29 International Business Machines Corporation Chat marking and synchronization
US8627213B1 (en) * 2004-08-10 2014-01-07 Hewlett-Packard Development Company, L.P. Chat room system to provide binaural sound at a user location
US7814517B2 (en) * 2004-11-23 2010-10-12 Palo Alto Research Center Incorporated Method and apparatus for associating commentary audio with a position in an experiential data stream
US7818770B2 (en) * 2004-11-23 2010-10-19 Palo Alto Research Center Incorporated Methods, apparatus, and program products to support a shared viewing experience from remote locations
US7882530B2 (en) * 2004-11-23 2011-02-01 Palo Alto Research Center Incorporated Method, apparatus, and program products for socially synchronizing an experiential data stream
US7873983B2 (en) * 2004-11-23 2011-01-18 Palo Alto Research Center Incorporated Method and apparatus for controlling an experiential data stream in a social space
US20060167994A1 (en) * 2005-01-11 2006-07-27 Yen-Fu Chen System and method for automatically segmenting content from an instant messaging transcript and applying commands contained within the content segments
US7483899B2 (en) 2005-01-11 2009-01-27 International Business Machines Corporation Conversation persistence in real-time collaboration system
US7395508B2 (en) * 2005-01-14 2008-07-01 International Business Machines Corporation Method and apparatus for providing an interactive presentation environment
US8275832B2 (en) * 2005-01-20 2012-09-25 International Business Machines Corporation Method to enable user selection of segments in an instant messaging application for integration in other applications
US8230017B2 (en) * 2005-03-23 2012-07-24 International Business Machines Corporation Optimal page sharing in a collaborative environment
US7962942B1 (en) * 2006-02-28 2011-06-14 Rovi Guides, Inc. Systems and methods for enhanced trick-play functions
US7954049B2 (en) 2006-05-15 2011-05-31 Microsoft Corporation Annotating multimedia files along a timeline
US20070276852A1 (en) * 2006-05-25 2007-11-29 Microsoft Corporation Downloading portions of media files
US8773494B2 (en) 2006-08-29 2014-07-08 Microsoft Corporation Techniques for managing visual compositions for a multimedia conference call
US20080100694A1 (en) * 2006-10-27 2008-05-01 Microsoft Corporation Distributed caching for multimedia conference calls
US20090113278A1 (en) * 2007-10-25 2009-04-30 Fuji Xerox Co., Ltd. System and methods for generating automatic and user-controllable movies of presentations on small devices
US9122751B2 (en) * 2007-12-07 2015-09-01 International Business Machines Corporation Method of tagging instant messaging (IM) conversations for easy information sharing
US20090234983A1 (en) * 2008-03-17 2009-09-17 Golden Signals, Inc. Methods and apparatus for sharing a computer display screen
US20090248805A1 (en) * 2008-04-01 2009-10-01 George Gomez Systems and Methods for Communicating Audio/Visual Presentation Materials Between a Presenter and Audience Members
JP4687746B2 (en) * 2008-06-02 2011-05-25 コニカミノルタビジネステクノロジーズ株式会社 CONFERENCE SYSTEM, DATA PROCESSING DEVICE, IMAGE TRANSMITTING METHOD, AND IMAGE TRANSMITTING PROGRAM
US20090325138A1 (en) * 2008-06-26 2009-12-31 Gary Stephen Shuster Virtual interactive classroom using groups
US20100070858A1 (en) * 2008-09-12 2010-03-18 At&T Intellectual Property I, L.P. Interactive Media System and Method Using Context-Based Avatar Configuration
DE102009040839A1 (en) * 2008-09-30 2010-04-15 Carl Zeiss Microimaging Gmbh Peripheral interface, data stream and data transmission method
TWI396443B (en) * 2008-12-22 2013-05-11 Ind Tech Res Inst Method for audio and video control response and bandwidth adaptation based on network streaming application and server using the same
US8161113B2 (en) * 2009-02-25 2012-04-17 Microsoft Corporation Rich signaling feedback mechanism for group communication
US9432516B1 (en) * 2009-03-03 2016-08-30 Alpine Audio Now, LLC System and method for communicating streaming audio to a telephone device
US20110238753A1 (en) * 2009-03-04 2011-09-29 Lueth Jacquelynn R System and Method for Providing a Real-Time Digital Impact Virtual Audience
US9462030B2 (en) * 2009-03-04 2016-10-04 Jacquelynn R. Lueth System and method for providing a real-time three-dimensional digital impact virtual audience
US8621044B2 (en) * 2009-03-16 2013-12-31 Microsoft Corporation Smooth, stateless client media streaming
US8977684B2 (en) 2009-04-14 2015-03-10 Citrix Systems, Inc. Systems and methods for computer and voice conference audio transmission during conference call via VoIP device
US8223943B2 (en) * 2009-04-14 2012-07-17 Citrix Systems Inc. Systems and methods for computer and voice conference audio transmission during conference call via PSTN phone
US20100293330A1 (en) * 2009-05-14 2010-11-18 Microsoft Corporation Displaying transition images during a slide transition
US20110029885A1 (en) * 2009-07-30 2011-02-03 International Business Machines Corporation Confidential Presentations in Virtual Worlds
US8438131B2 (en) * 2009-11-06 2013-05-07 Altus365, Inc. Synchronization of media resources in a media archive
US20110125560A1 (en) * 2009-11-25 2011-05-26 Altus Learning Systems, Inc. Augmenting a synchronized media archive with additional media resources
US8891939B2 (en) * 2009-12-22 2014-11-18 Citrix Systems, Inc. Systems and methods for video-aware screen capture and compression
US20110183654A1 (en) 2010-01-25 2011-07-28 Brian Lanier Concurrent Use of Multiple User Interface Devices
US20110181780A1 (en) * 2010-01-25 2011-07-28 Barton James M Displaying Content on Detected Devices
US9117198B1 (en) * 2010-02-22 2015-08-25 Iheartmedia Management Services, Inc. Listener survey tool with time stamping
US8521816B2 (en) * 2010-03-19 2013-08-27 Microsoft Corporation Latency reduction in collaborative presentation sharing environment
US8782534B2 (en) 2010-10-12 2014-07-15 International Business Machines Corporation Independent viewing of web conference content by participants
US20120144320A1 (en) * 2010-12-03 2012-06-07 Avaya Inc. System and method for enhancing video conference breaks
US20120192088A1 (en) * 2011-01-20 2012-07-26 Avaya Inc. Method and system for physical mapping in a virtual world
US9026596B2 (en) * 2011-06-16 2015-05-05 Microsoft Technology Licensing, Llc Sharing of event media streams
US20120324355A1 (en) * 2011-06-20 2012-12-20 Sumbola, Inc. Synchronized reading in a web-based reading system
US8862702B2 (en) 2012-07-18 2014-10-14 Accedian Networks Inc. Systems and methods of installing and operating devices without explicit network addresses
US8830869B2 (en) 2012-07-18 2014-09-09 Accedian Networks Inc. Systems and methods of detecting and assigning IP addresses to devices with ARP requests
US9735874B2 (en) 2012-07-18 2017-08-15 Accedian Networks Inc. Programmable small form-factor pluggable module
US8751615B2 (en) 2012-07-18 2014-06-10 Accedian Networks Inc. Systems and methods of discovering and controlling devices without explicit addressing
US20140071855A1 (en) 2012-09-10 2014-03-13 Accedian Networks Inc. Transparent auto-negotiation of ethernet
US9071659B2 (en) 2012-11-29 2015-06-30 Citrix Systems, Inc. Systems and methods for automatically identifying and sharing a file presented during a meeting
US9705966B1 (en) * 2013-09-30 2017-07-11 Amazon Technologies, Inc. Story development and sharing architecture
US9553902B1 (en) 2013-09-30 2017-01-24 Amazon Technologies, Inc. Story development and sharing architecture: predictive data
US20150200785A1 (en) * 2014-01-10 2015-07-16 Adobe Systems Incorporated Method and apparatus for managing activities in a web conference
US9749202B1 (en) * 2014-02-13 2017-08-29 Amazon Technologies, Inc. Remote session preview management
GB201419441D0 (en) * 2014-10-31 2014-12-17 Microsoft Corp Modifying video call data
US20210271688A1 (en) * 2014-11-07 2021-09-02 NoteAffect, L.L.C. Systems for allowing annotation in real time
US9767208B1 (en) 2015-03-25 2017-09-19 Amazon Technologies, Inc. Recommendations for creation of content items
CN107181784A (en) * 2016-03-11 2017-09-19 阿里巴巴集团控股有限公司 A kind of resource allocation methods and device
US9946489B2 (en) 2016-07-27 2018-04-17 Western Digital Technologies, Inc. Multi-stream journaled replay
JP2018174442A (en) * 2017-03-31 2018-11-08 本田技研工業株式会社 Conference support system, conference support method, program of conference support apparatus, and program of terminal
US10636495B2 (en) 2018-06-12 2020-04-28 Western Digital Technologies, Inc. Adjustable read retry order based on decoding success trend
US12095582B2 (en) 2020-02-07 2024-09-17 Microsoft Technology Licensing, Llc Latency compensation for synchronously sharing video content within web conferencing sessions
US11080356B1 (en) 2020-02-27 2021-08-03 International Business Machines Corporation Enhancing online remote meeting/training experience using machine learning
US20210287199A1 (en) * 2020-03-13 2021-09-16 Jpmorgan Chase Bank, N.A. Method and system for payment processing
US11581007B2 (en) * 2021-04-27 2023-02-14 Kyndryl, Inc. Preventing audio delay-induced miscommunication in audio/video conferences

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2791146B2 (en) 1989-11-15 1998-08-27 株式会社日立製作所 Data processing device
US5149104A (en) 1991-02-06 1992-09-22 Elissa Edelstein Video game having audio player interation with real time video synchronization
US5471318A (en) 1993-04-22 1995-11-28 At&T Corp. Multimedia communications network
US5442390A (en) 1993-07-07 1995-08-15 Digital Equipment Corporation Video on demand with memory accessing and or like functions
US5414455A (en) 1993-07-07 1995-05-09 Digital Equipment Corporation Segmented video on demand system
CA2130395C (en) 1993-12-09 1999-01-19 David G. Greenwood Multimedia distribution over wide area networks
CA2140850C (en) 1994-02-24 1999-09-21 Howard Paul Katseff Networked system for display of multimedia presentations
US5712976A (en) 1994-09-08 1998-01-27 International Business Machines Corporation Video data streamer for simultaneously conveying same one or different ones of data blocks stored in storage node to each of plurality of communication nodes
US5586264A (en) 1994-09-08 1996-12-17 Ibm Corporation Video optimized media streamer with cache management
US5761417A (en) 1994-09-08 1998-06-02 International Business Machines Corporation Video data streamer having scheduler for scheduling read request for individual data buffers associated with output ports of communication node to one storage node
US5603058A (en) 1994-09-08 1997-02-11 International Business Machines Corporation Video optimized media streamer having communication nodes received digital data from storage node and transmitted said data to adapters for generating isochronous digital data streams
CA2153445C (en) 1994-09-08 2002-05-21 Ashok Raj Saxena Video optimized media streamer user interface
US5668948A (en) 1994-09-08 1997-09-16 International Business Machines Corporation Media streamer with control node enabling same isochronous streams to appear simultaneously at output ports or different streams to appear simultaneously at output ports
US5844979A (en) 1995-02-16 1998-12-01 Global Technologies, Inc. Intelligent switching system for voice and data
US5854898A (en) 1995-02-24 1998-12-29 Apple Computer, Inc. System for automatically adding additional data stream to existing media connection between two end points upon exchange of notifying and confirmation messages therebetween
USH1714H (en) 1995-05-03 1998-03-03 Lucent Technologies Inc. Automatic still image transmission upon call connection
US5930493A (en) 1995-06-07 1999-07-27 International Business Machines Corporation Multimedia server system and method for communicating multimedia information
US5787472A (en) 1995-07-31 1998-07-28 Ibm Corporation Disk caching system for selectively providing interval caching or segment caching of vided data
US5737028A (en) 1995-11-01 1998-04-07 International Business Machines Corporation Previous channel listing with cursor controlled user interface for television video displays
US5721763A (en) 1996-01-31 1998-02-24 At&T Corp Method for providing information during a chat session
US6343313B1 (en) 1996-03-26 2002-01-29 Pixion, Inc. Computer conferencing system with real-time multipoint, multi-speed, multi-stream scalability
US5867653A (en) 1996-04-18 1999-02-02 International Business Machines Corporation Method and apparatus for multi-cast based video conferencing
EP0895617A4 (en) 1996-04-26 1999-07-14 Eloquent Inc A method and system for synchronizing and navigating multiple streams of isochronous and non-isochronous data
US5822525A (en) 1996-05-22 1998-10-13 Microsoft Corporation Method and system for presentation conferencing
US5974446A (en) 1996-10-24 1999-10-26 Academy Of Applied Science Internet based distance learning system for communicating between server and clients wherein clients communicate with each other or with teacher using different communication techniques via common user interface
US5931908A (en) 1996-12-23 1999-08-03 The Walt Disney Corporation Visual object present within live programming as an actionable event for user selection of alternate programming wherein the actionable event is selected by human operator at a head end for distributed data and programming
US5898833A (en) 1996-12-31 1999-04-27 Intel Corporation Method and apparatus for increasing the effective bandwidth of video sequences transmitted over a network by using cached data
JPH10333538A (en) * 1997-05-29 1998-12-18 Fujitsu Ltd Network type education system, record medium recording instructor side program of network type education system and record medium recording participant side program
US6233600B1 (en) 1997-07-15 2001-05-15 Eroom Technology, Inc. Method and system for providing a networked collaborative work environment
US6327418B1 (en) 1997-10-10 2001-12-04 Tivo Inc. Method and apparatus implementing random access and time-based functions on a continuous stream of formatted digital data
US5941951A (en) * 1997-10-31 1999-08-24 International Business Machines Corporation Methods for real-time deterministic delivery of multimedia data in a client/server system
US6226422B1 (en) 1998-02-19 2001-05-01 Hewlett-Packard Company Voice annotation of scanned images for portable scanning applications
US6108687A (en) 1998-03-02 2000-08-22 Hewlett Packard Company System and method for providing a synchronized display to a plurality of computers over a global computer network
US6105055A (en) 1998-03-13 2000-08-15 Siemens Corporate Research, Inc. Method and apparatus for asynchronous multimedia collaboration
FR2781591B1 (en) * 1998-07-22 2000-09-22 Technical Maintenance Corp AUDIOVISUAL REPRODUCTION SYSTEM
US6233389B1 (en) 1998-07-30 2001-05-15 Tivo, Inc. Multimedia time warping system
US6697569B1 (en) * 1998-09-11 2004-02-24 Telefonaktiebolaget Lm Ericsson (Publ) Automated conversion of a visual presentation into digital data format
US6215526B1 (en) 1998-11-06 2001-04-10 Tivo, Inc. Analog video tagging and encoding system
JP4178631B2 (en) * 1998-12-02 2008-11-12 ソニー株式会社 Receiving apparatus and method, transmitting apparatus
US6850691B1 (en) 1999-03-30 2005-02-01 Tivo, Inc. Automatic playback overshoot correction system
US6728713B1 (en) 1999-03-30 2004-04-27 Tivo, Inc. Distributed database management system
EP1953758B1 (en) 1999-03-30 2014-04-30 TiVo, Inc. Multimedia program bookmarking system
US6490722B1 (en) 1999-03-30 2002-12-03 Tivo Inc. Software installation and recovery system
WO2000062533A1 (en) 1999-03-30 2000-10-19 Tivo, Inc. Television viewer interface system
CN1148965C (en) 1999-03-30 2004-05-05 提维股份有限公司 Data storage management and scheduling system
US6625656B2 (en) * 1999-05-04 2003-09-23 Enounce, Incorporated Method and apparatus for continuous playback or distribution of information including audio-visual streamed multimedia
US20020124100A1 (en) * 1999-05-20 2002-09-05 Jeffrey B Adams Method and apparatus for access to, and delivery of, multimedia information
WO2000073759A1 (en) * 1999-05-26 2000-12-07 Enounce, Incorporated Method and apparatus for controlling time-scale modification during multi-media broadcasts
US7039040B1 (en) * 1999-06-07 2006-05-02 At&T Corp. Voice-over-IP enabled chat
US6636888B1 (en) * 1999-06-15 2003-10-21 Microsoft Corporation Scheduling presentation broadcasts in an integrated network environment
US6282404B1 (en) * 1999-09-22 2001-08-28 Chet D. Linton Method and system for accessing multimedia data in an interactive format having reporting capabilities
US6535909B1 (en) 1999-11-18 2003-03-18 Contigo Software, Inc. System and method for record and playback of collaborative Web browsing session

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